title: Preparative isolation and purification of celastrol from Celastrus orbiculatus Thunb. by a new counter-current chromatography method with an upright coil planet centrifuge.
mesh_terms: D031247:Celastrus / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D003377:Countercurrent Distribution / Q000295:instrumentation / Q000379:methods*; D053978:Pentacyclic Triterpenes; D014315:Triterpenes / Q000302:isolation & purification*
chemical_list: D053978:Pentacyclic Triterpenes; D014315:Triterpenes; C050414:celastrol